131475417 has 4 divisors (see below), whose sum is σ = 175300560. Its totient is φ = 87650276.

The previous prime is 131475391. The next prime is 131475439. The reversal of 131475417 is 714574131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714574131 = 3 ⋅238191377.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131475417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131475017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21912567 + ... + 21912572.

It is an arithmetic number, because the mean of its divisors is an integer number (43825140).

Almost surely, 2^131475417 is an apocalyptic number.

It is an amenable number.

131475417 is a deficient number, since it is larger than the sum of its proper divisors (43825143).

131475417 is an equidigital number, since it uses as much as digits as its factorization.

131475417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43825142.

The product of its digits is 11760, while the sum is 33.

The square root of 131475417 is about 11466.2730213439. The cubic root of 131475417 is about 508.4889491734.

The spelling of 131475417 in words is "one hundred thirty-one million, four hundred seventy-five thousand, four hundred seventeen".